3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa

General

Target

3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe
Size

404KB
MD5

f4a7e6d48c0c6d63f4a37e3966da768e
SHA1

2843fa105bce8cebb9ff828f56769588ee2b0e10
SHA256

3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa
SHA512

e954dd4ab8dd646e2d4cdbc63dbe56ca64fd4084937c4bba2253c6a7940cae0af7de8c0c20f6346dd1de5f0533dfac0be8b096e1eb0dc33ed2c53ffa4116f517
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

Processes:

rundll32.exe

flow	pid	process
3	2612	rundll32.exe
5	2612	rundll32.exe
6	2612	rundll32.exe
7	2612	rundll32.exe
8	2612	rundll32.exe
9	2612	rundll32.exe
10	2612	rundll32.exe
11	2612	rundll32.exe
13	2612	rundll32.exe
14	2612	rundll32.exe

Deletes itself 1 IoCs

Processes:

hwanz.exe

pid process

2524 hwanz.exe
Executes dropped EXE 1 IoCs

Processes:

hwanz.exe

pid process

2524 hwanz.exe
Loads dropped DLL 6 IoCs

Processes:

cmd.exerundll32.exe

pid process

1852 cmd.exe
1852 cmd.exe
2612 rundll32.exe
2612 rundll32.exe
2612 rundll32.exe
2612 rundll32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2524	hwanz.exe

pid	process
2524	hwanz.exe

pid	process
1852	cmd.exe
1852	cmd.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\kqjas\\shwyw.dll\",Verify"	rundll32.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

2612 rundll32.exe
Drops file in Program Files directory 2 IoCs

Processes:

hwanz.exe

description ioc process

File opened for modification \??\c:\Program Files\kqjas hwanz.exe
File created \??\c:\Program Files\kqjas\shwyw.dll hwanz.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\kqjas	hwanz.exe
File created	\??\c:\Program Files\kqjas\shwyw.dll	hwanz.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1880 PING.EXE

pid	process
1880	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2612 rundll32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exehwanz.exe

pid process

1948 3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe
2524 hwanz.exe

description	pid	process
Token: SeDebugPrivilege	2612	rundll32.exe

pid	process
1948	3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe
2524	hwanz.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.execmd.exehwanz.exe

description	pid	process	target process
PID 1948 wrote to memory of 1852	1948	3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe	cmd.exe
PID 1948 wrote to memory of 1852	1948	3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe	cmd.exe
PID 1948 wrote to memory of 1852	1948	3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe	cmd.exe
PID 1948 wrote to memory of 1852	1948	3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe	cmd.exe
PID 1852 wrote to memory of 1880	1852	cmd.exe	PING.EXE
PID 1852 wrote to memory of 1880	1852	cmd.exe	PING.EXE
PID 1852 wrote to memory of 1880	1852	cmd.exe	PING.EXE
PID 1852 wrote to memory of 1880	1852	cmd.exe	PING.EXE
PID 1852 wrote to memory of 2524	1852	cmd.exe	hwanz.exe
PID 1852 wrote to memory of 2524	1852	cmd.exe	hwanz.exe
PID 1852 wrote to memory of 2524	1852	cmd.exe	hwanz.exe
PID 1852 wrote to memory of 2524	1852	cmd.exe	hwanz.exe
PID 2524 wrote to memory of 2612	2524	hwanz.exe	rundll32.exe
PID 2524 wrote to memory of 2612	2524	hwanz.exe	rundll32.exe
PID 2524 wrote to memory of 2612	2524	hwanz.exe	rundll32.exe
PID 2524 wrote to memory of 2612	2524	hwanz.exe	rundll32.exe
PID 2524 wrote to memory of 2612	2524	hwanz.exe	rundll32.exe
PID 2524 wrote to memory of 2612	2524	hwanz.exe	rundll32.exe
PID 2524 wrote to memory of 2612	2524	hwanz.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe
"C:\Users\Admin\AppData\Local\Temp\3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hwanz.exe "C:\Users\Admin\AppData\Local\Temp\3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:1880

C:\Users\Admin\AppData\Local\Temp\hwanz.exe
C:\Users\Admin\AppData\Local\Temp\\hwanz.exe "C:\Users\Admin\AppData\Local\Temp\3273ba4ceabab901c1daf89224e2a1ed6eca062b1a34bf5aada73f9b546d6efa.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524

\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\Program Files\kqjas\shwyw.dll",Verify C:\Users\Admin\AppData\Local\Temp\hwanz.exe
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2612

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\??\c:\Program Files\kqjas\shwyw.dll
Filesize
228KB

MD5
f47b3053fc49f13e9d97bf5aeddefd75

SHA1
3abfc3ca20a27b3bfb53d3a4bbb52c849364e73f

SHA256
832d52eff7e8480ae0f9504581e88dea475bfe8d657340e6a31aeb248757a1a8

SHA512
aee61e47ab104f016dcad25a9791de3fc0a0976624bed015e1b417c6097507258da6ad9239cab910196e915e0f89153f8fab4782385741495342b35c9c65a6e1

Download Submit
\Users\Admin\AppData\Local\Temp\hwanz.exe
Filesize
404KB

MD5
a94c45e347c736341fbc65697f4278e6

SHA1
c68094a056592b3e730dff799d9b026a34f527e1

SHA256
26d80f88af0dd6832f49c02e7f40ebad7effd69395b527857be7b1950c33474b

SHA512
a4138c85d8c9bc8ea9404090ce1a1f090d05072e4815f986c0d8aae8d5cfe789bba4723b2b6bf284b30dda3cac162190a36a2a11b3aa6685e20511ab49fee77e

Download Submit
memory/1852-8-0x00000000003E0000-0x0000000000444000-memory.dmp

Filesize
400KB

Download
memory/1852-7-0x00000000003E0000-0x0000000000444000-memory.dmp

Filesize
400KB

Download
memory/1948-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1948-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2524-9-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2524-11-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2612-17-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2612-18-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2612-20-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2612-22-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads